You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!

Choking/sputtering After headers install

A little background: have a 04 V6 mustang, has a few small bolt on upgrades, exhaust system, and intake, and just recently bbk shorty headers.

The issue is after the headers were installed I immediately noticed a chugging or choking as it accelerated.. I took it to an exhaust shop and they told me the headers weren't leaking but we did notice the rubber plug missing on my intake tube. Replacing the plug didn't fix the issue.

Any ideas? I'm fairly certain it's airflow it feels as if the engine isn't catching it all. It was fine before the header install spark plugs, wires and coils are all good.

This ad is not displayed to registered or logged-in members.Register your free account today and become a member on Mustang Forums!

I took some pictures and because i noticed what looked like the cause to me. On the driver side the headers meet the gaskets flush all the way threw however on the passenger side there are several spaces between the flush points... when i pointed it out to the mechanic he said this was by design...(-__-).. if this were true wouldnt it be uniform for each side. I'm not a mechanic so i didnt call him an idiot but i'm not dumb either and i dont think thats right at all, but maybe im wrong.

This forum is owned and operated by Internet Brands, Inc., a Delaware
corporation. It is not authorized or endorsed by the Ford Motor Company and is not affiliated with the Ford
Motor Company or its related companies in any way. Ford® is a registered trademark of the Ford Motor
Company